Update assert to allow config conversion effect for all configs when not premul/unpremuling

src/gpu/effects/GrConfigConversionEffect.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrConfigConversionEffect.h"
 #include "GrContext.h"
 #include "GrDrawContext.h"
@@ skipping 87 matching lines @@
 
 GrConfigConversionEffect::GrConfigConversionEffect(GrProcessorDataManager* procDataManager,
                                                    GrTexture* texture,
                                                    bool swapRedAndBlue,
                                                    PMConversion pmConversion,
                                                    const SkMatrix& matrix)
     : INHERITED(procDataManager, texture, matrix)
     , fSwapRedAndBlue(swapRedAndBlue)
     , fPMConversion(pmConversion) {
     this->initClassID<GrConfigConversionEffect>();
-    SkASSERT(kRGBA_8888_GrPixelConfig == texture->config() ||
-             kBGRA_8888_GrPixelConfig == texture->config());
+    // We expect to get here with non-BGRA/RGBA only if we're doing not doing a premul/unpremul
+    // conversion.
+    SkASSERT((kRGBA_8888_GrPixelConfig == texture->config() ||
+              kBGRA_8888_GrPixelConfig == texture->config()) ||
+              kNone_PMConversion == pmConversion);
     // Why did we pollute our texture cache instead of using a GrSingleTextureEffect?
     SkASSERT(swapRedAndBlue || kNone_PMConversion != pmConversion);
 }
 
 bool GrConfigConversionEffect::onIsEqual(const GrFragmentProcessor& s) const {
     const GrConfigConversionEffect& other = s.cast<GrConfigConversionEffect>();
     return other.fSwapRedAndBlue == fSwapRedAndBlue &&
            other.fPMConversion == fPMConversion;
 }
 
@@ skipping 191 matching lines @@
             // The PM conversions assume colors are 0..255
             return NULL;
         }
         return SkNEW_ARGS(GrConfigConversionEffect, (procDataManager,
                                                      texture,
                                                      swapRedAndBlue,
                                                      pmConversion,
                                                      matrix));
     }
 }